Lois Foltan
7bf953d005
7195622: CheckUnhandledOops has limited usefulness now
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Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.
Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
2013-09-26 10:25:02 -04:00
Daniel D. Daugherty
41bce440a4
8019835: Strings interned in different threads equal but does not ==
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Add -XX:+VerifyStringTableAtExit option and code to verify StringTable invariants.
Reviewed-by: rdurbin, sspitsyn, coleenp
2013-09-18 07:02:10 -07:00
John Cuthbertson
5382e0759e
8015237: Parallelize string table scanning during strong root processing
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Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti
2013-06-18 12:31:07 -07:00
Stefan Karlsson
c13149ab8d
8015422: Large performance hit when the StringTable is walked twice in Parallel Scavenge
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Combine the calls to StringTable::unlink and StringTable::oops_do in Parallel Scavenge.
Reviewed-by: pliden, coleenp
2013-05-27 12:58:42 +02:00
Stefan Karlsson
8b7d3c5d3b
8015428: Remove unused CDS support from StringTable
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The string in StringTable is not used by CDS anymore. Remove the unnecessary code in preparation for 8015422: Large performance hit when the StringTable is walked twice in Parallel Scavenge
Reviewed-by: pliden, tschatzl, coleenp
2013-05-27 12:56:34 +02:00
Ioi Lam
f9ae3b46de
8014262: PrintStringTableStatistics should include more footprint info
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Added info for the string/symbol objects and the hash entries
Reviewed-by: coleenp, rbackman
2013-05-18 20:41:01 -07:00
Harold Seigel
2a692f80bf
8011773: Some tests on Interned String crashed JVM with OOM
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Instead of terminating the VM, throw OutOfMemoryError exceptions.
Reviewed-by: coleenp, dholmes
2013-04-29 16:13:57 -04:00
Leonid Mesnik
a4300aa98b
8009763: Add WB test for String.intern()
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Add convenience method in StringTable, add WhiteBox method and simple sanity test
Reviewed-by: mgerdin, zgu
2013-04-02 11:28:33 +02:00
Coleen Phillimore
b243475fd2
8009829: CDS: JDK JPRT test fails crash in Symbol::equals()
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-Xshare:dump was creating a Symbol in C_heap. There's an assert there that jdk jprt wasn't hitting because it was only done in product
Reviewed-by: dholmes, hseigel, iklam
2013-03-13 15:15:56 -04:00
Erik Helin
0ed52d16e2
8004661: Comment and function name java_lang_String::toHash is wrong
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Renamed to hash_code
Reviewed-by: dholmes, coleenp, brutisso
2012-12-13 10:09:49 +01:00
Jon Masamitsu
5c58d27aac
6964458: Reimplement class meta-data storage to use native memory
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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
2012-09-01 13:25:18 -04:00
Coleen Phillimore
559278381b
7181200: JVM new hashing code breaks SA in product mode
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Made new_hash() overloaded rather than a virtual function so SA code doesn't need to be changed.
Reviewed-by: kvn, acorn, dholmes, fparain
2012-07-04 15:55:45 -04:00
Zhengyu Gu
a39b17624a
6995781: Native Memory Tracking (Phase 1)
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7151532: DCmd for hotspot native memory tracking
Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain
2012-06-28 17:03:16 -04:00
Coleen Phillimore
dc5fe663cb
7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table
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Cannot delete _buckets and HashtableEntries in shared space (CDS)
Reviewed-by: acorn, kvn, dlong, dcubed, kamg
2012-06-25 21:33:35 -04:00
Coleen Phillimore
55b09e7016
7158800: Improve storage of symbol tables
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Use an alternate version of hashing algorithm for symbol string tables and after a certain bucket size to improve performance
Reviewed-by: pbk, kamg, dlong, kvn, fparain
2012-06-13 19:52:59 -04:00
Coleen Phillimore
1431a5efd1
7150058: Allocate symbols from null boot loader to an arena for NMT
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Move symbol allocation to an arena so NMT doesn't have to track them at startup.
Reviewed-by: never, kamg, zgu
2012-03-23 11:16:05 -04:00
Markus Gronlund
007126d010
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
2012-01-11 17:34:02 -05:00
Tom Rodriguez
036560e999
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
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Reviewed-by: kvn, kamg, jcoomes
2011-03-31 14:00:41 -07:00
John Coomes
fe899cc10d
6962931: move interned strings out of the perm gen
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Reviewed-by: never, coleenp, ysr, jwilhelm
2011-03-22 13:36:33 -07:00
Coleen Phillimore
3471fe3ee4
7024584: Symbol printouts shouldnt be under PrintGCDetails
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Put symbol printing under Verbose and WizardMode so you can get this information if you really want it.
Reviewed-by: phh, stefank, never, dholmes, jcoomes
2011-03-07 16:03:28 -05:00
Coleen Phillimore
7b4f8073f0
6990754: Use native memory and reference counting to implement SymbolTable
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Move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank
2011-01-27 16:11:27 -08:00
Stefan Karlsson
8006fe8f75
6989984: Use standard include model for Hospot
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Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
2010-11-23 13:22:55 -08:00
Erik Trimble
ba7c173659
6941466: Oracle rebranding changes for Hotspot repositories
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Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
2010-05-27 19:08:38 -07:00
John R Rose
cfb08c72ba
6814659: separable cleanups and subroutines for 6655638
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Preparatory but separable changes for method handles
Reviewed-by: kvn, never
2009-03-20 23:19:36 -07:00
Christian Thalinger
05d1de7727
6810672: Comment typos
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I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never
2009-02-27 13:27:09 -08:00
J. Duke
8153779ad3
Initial load
2007-12-01 00:00:00 +00:00
